H04N 7/04
Systems for the transmission of one television signal, i.e. both picture and
Official title: Systems for the transmission of one television signal, i.e. both picture and sound, by a single carrier {(H04N7/084, H04N7/087 take precedence)}
H04N7/04 (Systems for the transmission of one television signal, i.e. both picture and) appears on 246 US grants and 150 published applications in this corpus.
Search patents in H04N- Granted patents
- 246
- Published applications
- 150
- Assignees
- 166
- Inventors
- 444
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 11 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 14 | 0 |
| 1991 | 12 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 2 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 7 |
| 2017 | 6 | 10 |
| 2018 | 7 | 11 |
| 2019 | 4 | 14 |
| 2020 | 16 | 21 |
| 2021 | 13 | 22 |
| 2022 | 14 | 19 |
| 2023 | 14 | 14 |
| 2024 | 14 | 9 |
| 2025 | 13 | 6 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Video surveillance system, computer-implemented video management process, and non-transitory computer readable storage medium15 Sep 2026US 12,739,347 B2Milestone Systems A/S
- Arithmetic processing device, imaging device and head mounted system14 Jul 2026US 12,682,794 B2ASUSTeK COMPUTER INC.
- Data transmission method and apparatus16 Jun 2026US 12,659,423 B2Huawei Technologies Co., Ltd.
- Information processing device and method for controlling image data thereof6 Jan 2026US 12,519,910 B2Maxell, Ltd.
- Communication apparatus and control method therefor11 Nov 2025US 12,470,668 B2Canon Kabushiki Kaisha
- Wireless auxiliary stream device, and screen projection method and system based on wireless auxiliary stream device30 Jul 2026US 2026/0222460 A1Yealink (Xiamen) Network Technology Co., Ltd.
- Information processing device and method for controlling image data thereof2 Apr 2026US 2026/0095551 A1Maxell, Ltd.
- Arithmetic processing device, imaging device and head mounted system5 Mar 2026US 2026/0065815 A1ASUSTeK COMPUTER INC.
- Audio video receiver with simultaneous multizone 8k video routing11 Dec 2025US 2025/0380009 A1Lenbrook Industries Limited
- Audio Video Synchronization4 Dec 2025US 2025/0373879 A1Comcast Cable Communications, LLC
Most cited
By later US patents
- Simulcast of interactive signals with a conventional video signal557US 5,585,858 AACTV, Inc. · 1996
- Distance learning system providing individual television participation, audio responses and memory for every student523US 5,537,141 AACTV, Inc. · 1996
- Audio/video transceiver apparatus including compression means497US 4,963,995 AExplore Technology, Inc. · 1990
- Audio/video transceiver apparatus including compression means, random access storage means, and microwave transceiver means481US 5,057,932 AExplore Technology, Inc. · 1991
- Method for handling audio/video source information312US 5,164,839 AExplore Technology, Inc. · 1992